import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import java.time.Duration;
import java.util.Collection;
@Service
public class RedisServiceImpl {
    @Autowired
    private StringRedisTemplate stringRedisTemplate;
    //添加字符串并設置過期時間
    public void addString(String key, String value, Duration duration) {
        stringRedisTemplate.opsForValue().set(key, value, duration);
    }
    //查找字符串
    public String findString(String key) {
        return stringRedisTemplate.opsForValue().get(key);
    }
    //根據(jù)Key刪除
    public Boolean deleteByKey(String key) {
        return stringRedisTemplate.delete(key);
    }
    //在隊列尾部減少一個對象
    public String removeOneEntryOnListRight(String listName) {
        return stringRedisTemplate.opsForList().rightPop(listName);
    }
    //在隊列頭部新增對象
    public Long addEntriesOnListLeft(String listName, Collection<String> args) {
        return stringRedisTemplate.opsForList().leftPushAll(listName, args);
    }
}

List<String> entriesList = new LinkedList<>();
   for (int i = 0; i < 100; i++){
       entriesList.add("某個商品");
   }
   redisService.addEntriesOnListLeft("隊列名",entriesList);

String redisResult = redisService.removeOneEntryOnListRight("隊列名");
    if (null == redisResult) {
        //說明沒搶到
    }else{
 //說明搶到了 執(zhí)行搶到邏輯
}